This purple Philadelphia hippo travel souvenir stuffed animal is embroidered with its city’s nickname “Philly” and the “I” is dotted with a yellow heart. On visiting the Philadelphia Zoo you can see Uma and Cindy, the 22 year old, 4,000-pound hippos. Every Souvies is unique to the region it represents, making it the perfect travel souvenir or gift. Every Philadelphia hippo travel souvenir measures about eight inches – head to toes, and about seven inches wide – hand to hand.